\name{sampleSizeTTestDialog}
\alias{sampleSizeTTestDialog}
\title{Dialog box for a sample size calculation for a T test}
\description{Shows a dialog box for the simple size calculation of a T test, with fields for the true difference between means, st. devsviation of polutations, power of test and alternative hypothesis.}
\usage{sampleSizeTTestDialog()}
\author{Alfredo Sánchez Alberca \email{asalber@gmail.com}}
\keyword{distribution}